Q3 M1: General Science

Earth

It is the home of human beings and

organisms, including animals, plants, and

microorganisms.

Life Science

The field of science that deals with the study of life.

Life Science

It involves different disciplines. These disciplines are connected to one another, through which the biologist termed as unifying themes.

Biological System

It is a group of entities or organs that work together to carry out a particular task.

Brain

_____ of the nervous system.

Thyroid

_____ of the endocrine system.

Lung

_____ of the respiratory system.

Heart

_____ of the circulatory system.

Intestines

_____ of the digestive system.

Muscles

Are coordinated by signals from the brain, carried by nerves.

Blood Vessels

Supply all of these parts with oxygen and food.

Ecosystem

Includes living and non-living things that interact is also a biological system.

Plants

Obtain most of their necessary chemicals from the soil, water, and air.

Animals

Aquire most of the chemicals they need by eating plants or other animals.

Biological System

Applies to all levels of life

from the biosphere all the way down to the

interactions of molecules in cells.

Cell

Is the basic unit of building blocks of life.

Unicellular

If an organism is made of only one cell, it is called _____.

Multicellular

If an organism is made of many cells, it is called a _____.

Muscle Cells

Contract and enable you

to move.

Nerve Cells

Transmit impulses that

control your muscles.

Red Blood Cell

Main function is to carry oxygen.

White Blood Cell

Main function is to fight infections.

Heart Muscles

Have a different structure and function than stomach muscles.

Reproduction

Involves the transfer of genetic information from parents to offspring.

Inheritance

Is the passing on of genetic traits from parents to their offspring.

Photosynthesis

The process by which plants make food.

Metabolism

A chemical process that builds up or breaks down the materials.

Energy

Is obtained in chemicals from the intake of sugar, fats, and other fuel-like molecules in your food through the process of Metabolism.

Steady State

The ability of the organism to regulate their internal conditions is an example of _____.

Regulation and Homeostasis

A mechanism that makes organisms regulate their internal conditions, despite changes in their external environment.

Adaptation

Is an inherited trait that gives an advantage to individual organisms and is passed on to future generations.

Adaptation

Is an inherited trait that helps organisms’ ability to survive and reproduce in its particular environment.

Evolution

Is the change in living things over time. It means “a process of change.”

Evolution

Is a change in the genetic makeup of a subgroup/population of a species.

Evolution

Is simply a long-term response to the environment.

Charles Darwin and Alfred Wallace

Proposed the theory of natural selection in 1858.

Charles Darwin

Is considered the developer of the theory published in the famous work “On the Origin of Species” after a five-year voyage to study plants, animals, and fossils of South America and Pacific Islands.

Natural Selection

Is an adaptation strategy in organisms which enables them to adapt and change in response to the environment.

Aneuploidy

A health and development condition wherein there’s one missing chromosome (45 chromosomes).

Trisomy

Has an extra chromosome (47 chromosomes).

Down Syndrome

General term for trisomy.

Testes

Male reproductive system.

Ovaries

Female reproductive system.

Adenine, Cytosine, Guanine, & Thymine

DNA

Adenine, Cytosine, Guanin, & Uracil

RNA

Deoxyribonucleic acid

The DNA acronym.

Ribonucleic acid

The RNA acronym.